Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Shawn Allen MD PLLC

Organization Psychiatry Physician · NPI 1578213906

Shawn Allen MD PLLC provides Psychiatry Physician services in Port Jefferson, New York. Registered with an NPI since 2022.

In the registry since
2022
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

646 Main St Ste 102
Port Jefferson, NY 11777-2230
Phone: (917) 740-1381
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X

Record details

NPI number1578213906
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Shawn Allen — Owner · (917) 740-1381
NPI enumeratedMarch 28, 2022
Last updated in NPPESMarch 28, 2022
Certification dateMarch 28, 2022
Mailing address646 Main St Ste 102, Port Jefferson, NY 11777-2230

Other providers in Port Jefferson